
<?php
session_start();
session_destroy();
?>
<label id="message" style="align-content: center;font-size: 25px;color: gray;"></label>
<script type="text/javascript">
    var messageelement = document.getElementById('message');
    messageelement.innerHTML = '您已退出，系统正在跳转至登录页面。。。';
    setTimeout(function () {
        window.location.href="qq.html";
    },3000);
</script>